Transformer Physical Data (Typical)

Notes:
1. Beware of typical data.
2. Large transformer data based on actual transformers
3. Unit substation adn padmount transformers based on catalog data.

Power Transformers

MVA Voltage (kV) Overall Dimensions
W x D x H (ft)
Oil (gallons) Weight (lbs)
10/12.5/14 34.5 - 12.47 13 x 9 x 12 1 700 45 000
70/93/105 161 - 13.8 26 x 13 x 26 9 500 265 000
100 138 15 x 26 x 19 8 000 250 000
100 138 15 x 22 x 19 7 500 230 000
200 345 22 x 26 x 32 16 000 425 000
250 230 18 x 38 x 23 18 000 450 000
250 500 32 x 32 x 36 22 000 630 000
400 230 22 x 39 x 23 20 000 600 000
950 500 11 x 45 x 29 25 000 1 000 000

Unit Substation Transformers

kVA Voltage (kV) Overall Dimensions
W x D x H (ft)
Oil (gallons) Weight (lbs)
225 5 or 15 - .48 4 x 4 x 5 225 4 500
500 5 or 15 - .48 4.5 x 4 x 5.5 275 5 500
750 5 or 15 - .48 5 x 4 x 5.5 350 8 000
1000 5 or 15 - .48 5.5 x 4 x 5.5 400 9 000
1500 5 or 15 - .48 5.5 x 8 x 6 450 11 000
2000 5 or 15 - .48 6 x 8 x 6 500 13 000
2500 5 or 15 - .48 6 x 8 x 6.5 600 15 000

Pad-Mounted Transformers

kVA Voltage (kV) Overall Dimensions
W x D x H (ft)
Oil (gallons) Weight (lbs)
112.5 5 or 15 4 .5 x 4  x 4 2 500
225 5 or 15 5 x 4 x 4 4 000
500 5 or 15 5 x 6 x 4.5 5 000
750 5 or 15 5.5 x 6 x 5 7 200
1000 5 or 15 6.5 x 6 x 6 9 000
1500 5 or 15 6.5 x 7 x 6 13 500
2000 5 or 15 7 x 7 x 6 14 500
2500 5 or 15 7 x 7.5 x 7 16 500

Oil = 7.31 pounds per gallon